-9.39% is the change from 703 to 637
Calculation steps:
[( 637 - 703 ) ÷ 703] x 100 = -9.39%
Formula
Percentage change = [(637 - 703) / 703] x 100
Subtract the new number by the original number
637 - 703 = -66
-66 ÷ 703 = -0.09388335704125178
-0.09388335704125178 x 100 = -9.39%